function addMarkers()
{
mySelect = document.getElementById('selection');
Barco = [];Currituck = [];Knotts_Island = [];Moyock = [];Poplar_Branch = [];mySelect.options[mySelect.options.length] = new Option("Barco schools",'all=Barco');
mySelect.options[mySelect.options.length] = new Option("Currituck schools",'all=Currituck');
mySelect.options[mySelect.options.length] = new Option("Knotts Island schools",'all=Knotts_Island');
mySelect.options[mySelect.options.length] = new Option("Moyock schools",'all=Moyock');
mySelect.options[mySelect.options.length] = new Option("Poplar Branch schools",'all=Poplar_Branch');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Barco[Barco.length] = createMarker(new GPoint(-75.97425600,36.38411500),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Central Elementary School",'Barco=' + Barco.length);
Barco[Barco.length] = createMarker(new GPoint(-75.97103119,36.37294006),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Currituck County High School",'Barco=' + Barco.length);
Barco[Barco.length] = createMarker(new GPoint(-75.97045135,36.36955261),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Currituck County Middle School",'Barco=' + Barco.length);
Currituck[Currituck.length] = createMarker(new GPoint(-76.01395416,36.44564438),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("J P Knapp School",'Currituck=' + Currituck.length);
Knotts_Island[Knotts_Island.length] = createMarker(new GPoint(-75.95590210,36.52170181),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Knotts Island Elementary School",'Knotts_Island=' + Knotts_Island.length);
Moyock[Moyock.length] = createMarker(new GPoint(-76.03470612,36.47302628),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Moyock Elementary School",'Moyock=' + Moyock.length);
Moyock[Moyock.length] = createMarker(new GPoint(-76.15701294,36.50363541),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Moyock Middle School",'Moyock=' + Moyock.length);
Poplar_Branch[Poplar_Branch.length] = createMarker(new GPoint(-75.88636017,36.26660538),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("W T Griggs Elementary School",'Poplar_Branch=' + Poplar_Branch.length);
} // End addStateMarkers JavaScript Function
// Takes an array of markers and centers/zooms map based on marker range
function centerByArray(myArray, recenter, newMaxMin)
{
if (newMaxMin == true)
reMaxMin(myArray);
for (var i = 0; i < myArray.length; i++)
{
var markLng = myArray[i].getPoint().x;
var markLat = myArray[i].getPoint().y;
if (markLat > maxLat) maxLat = markLat;
if (markLng > maxLng) maxLng = markLng;
if (markLat < minLat) minLat = markLat;
if (markLng < minLng) minLng = markLng;
}
if (recenter)
reCenterMap();
}
// Reinit max/mins
function reMaxMin(myArray)
{
maxLng = myArray[0].getPoint().x;
maxLat = myArray[0].getPoint().y;
minLng = myArray[0].getPoint().x;
minLat = myArray[0].getPoint().y;
}
// Recenter map based on global max/mins
function reCenterMap()
{
var bounds = new GLatLngBounds();
bounds.extend(new GLatLng(minLat, minLng));
bounds.extend(new GLatLng(maxLat, maxLng));
var center_lat = (bounds.getNorthEast().lat() + bounds.getSouthWest().lat()) / 2.0;
var center_lng = (bounds.getNorthEast().lng() + bounds.getSouthWest().lng()) / 2.0;
var center = new GLatLng(center_lat, center_lng);
var zoom = map.getBoundsZoomLevel(bounds);
map.setCenter(center,zoom);
//map.setCenter(center,10);
/*
var center = new GPoint( (maxLng + minLng)/2, (maxLat+minLat)/2 );
var delta = new GSize(maxLng - minLng, maxLat - minLat);
var minZoom = map.spec.getLowestZoomLevel(center, delta, map.viewSize);
if (minZoom < 4) minZoom = 4; // Lowest possible zoom is 4
map.centerAndZoom(center, minZoom);
*/
}
// Fires when drop down list of schools changes
function selectChange(selection)
{
var myVal = selection.options[selection.selectedIndex].value;
map.closeInfoWindow();
// Add entire array based on variable type
if (myVal.indexOf('all') != -1 && myVal != 'all')
{
var temp = myVal.split('=');
var showArray = temp[1];
// If Array is > X amount of markers, then open in a new page
if (eval(showArray).length > 20)
// New window depends on whether or not we're on the search page
if (location.href.indexOf('nearby_schools.php') == -1)
window.open(location.href + '/map/' + showArray);
else
window.open('/search////' + showArray);
map.removeOverlays(Barco);
map.removeOverlays(Currituck);
map.removeOverlays(Knotts_Island);
map.removeOverlays(Moyock);
map.removeOverlays(Poplar_Branch);
map.addOverlays(eval(showArray));
centerByArray(eval(showArray), true, true); // Center and zoom on set of markers
}
// Add individual markers
if (myVal.indexOf('all') == -1 && myVal != 'all' && myVal.length)
{
var temp = myVal.split('=');
var myArray = temp[0];
var myIndex = parseInt(temp[1]) - 1;
document.getElementById('map').width = "750";
map.removeOverlay(eval(myArray)[myIndex]);
map.addOverlay(eval(myArray)[myIndex]);
GEvent.trigger(eval(myArray)[myIndex],'click');
}
// Show all markers
if (myVal == 'all')
{
cntMarker = 0;
reMaxMin(Barco);map.removeOverlays(Barco);
map.removeOverlays(Currituck);
map.removeOverlays(Knotts_Island);
map.removeOverlays(Moyock);
map.removeOverlays(Poplar_Branch);
map.addOverlays(Barco);
centerByArray(Barco, false, false);
cntMarker += Barco.length;
map.addOverlays(Currituck);
centerByArray(Currituck, false, false);
cntMarker += Currituck.length;
map.addOverlays(Knotts_Island);
centerByArray(Knotts_Island, false, false);
cntMarker += Knotts_Island.length;
map.addOverlays(Moyock);
centerByArray(Moyock, false, false);
cntMarker += Moyock.length;
map.addOverlays(Poplar_Branch);
centerByArray(Poplar_Branch, false, false);
cntMarker += Poplar_Branch.length;
centerByArray(Barco,true, false);
if (cntMarker > 20)
// New window depends on whether or not we're on the search page
if (location.href.indexOf('schools-by-distance') == -1)
window.open(location.href + '/map/all');
else
window.open('/search////all');
}
}